Is it disk jockey? As an IT nerd I am a disk jockey. Radio guys are disc jockeys. Like as in spinning discs. Can someone be a disc jockey and not know they ar

Is it disk jockey? As an IT nerd I am a disk jockey. Radio guys are disc jockeys. Like as in spinning discs. Can someone be a disc jockey and not know they are not disk jockeys? Not sure. Or maybe I'm mistaken Human DJs at still around on college radio.